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1)  supply/demand of oil products
油品供求
2)  food supply and demand
食品供求
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3)  commodity supply and demand
商品供求
4)  the difference between the petroleum supplies and demands
石油供求
1.
The increase of Chinese petroleum output isn't plenty, but the increase of consumption is huge, so the difference between the petroleum supplies and demands is more and more bigger.
中国石油产量增幅不足,消费量剧增使得石油供求缺口日益增大,出现了石油安全问题。
5)  supply and demand of fishery products
水产品供求
1.
The relationship between supply and demand of fishery products in China has tended to achieve equilibrium since the system of market economy is established gradually.
进入市场化改革体制之后,中国水产品供求关系从非均衡趋向基本均衡,凸现阶段性的供求结构和供求特性。
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6)  oil supplying quality
供油品质
1.
The influence of oil supplying quality on circulation lubrication of presser was analyzed.
对压力机循环润滑的供油品质的影响进行了分析,提出了一种供油品质控制系统的设计方案,并对PLC控制部分的工作原理和设计要点进行了分析。
补充资料：沸溢性油品

含水率在0.3%～4.0%的原油、渣油、重油等

说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条